... field with hydroforming technology is as follows: 1)Hydroforming Automobile Chassis Tubular partssuch as: engine cradle, rear axle frame, bumper back beam ... as: Instrument panel support, front side member, radiator support, seat frame, side rail, A pillar, B pillar, C pillar, space ... frame, Front Side Member, etc 3) Engine Hydroforming Tubular parts:such ...